2012 Fiscal Year Final Research Report
Development ofLow-Voltage, High-Current and High-Frequency Slotless Ultra High-Speed Motor
Project/Area Number |
23656195
|
Research Category |
Grant-in-Aid for Challenging Exploratory Research
|
Allocation Type | Multi-year Fund |
Research Field |
Power engineering/Power conversion/Electric machinery
|
Research Institution | Shizuoka University |
Principal Investigator |
|
Project Period (FY) |
2011 – 2012
|
Keywords | 高速モータ / スロットレス / 低電圧 / 大電流 / 高周波 / パワー密度 / 効率 |
Research Abstract |
This study focuses on development of an ultra high-speed motor to make automotive superchargers and turbochargers electrified or hybridized. Extremely special design is required to achieve low-voltage, high-current and high-frequency operation because of the automotive application. In addition, high-power density and high-efficiency design must be consistent with the above requirements. Using FEM based electromagnetic analyses, a prototype has been developed, which has 1.5-kW rated output power, 3-kW peak output and 150,000 r/min top speed specifications when operated with a 12-V DC power supply. This model has achieved the world’s top level power density of 22.2 W/cm3(at the rated output power) as well asthe 98.1 % electrical efficiency by employing a 2-turn slotless configuration.
|
Research Products
(22 results)